Uploaded December 2019 | Updated September 2026, 1 hour ago
Jeff Montgomery has owned his silver 1963 Corvette Sting Ray for 50 years. Today it is powered by a Chevrolet Performance LS3 crate engine and competes on a variety of autocross courses nationwide.
Head over to Chevrolet Performance for all the latest crate engines, Connect & Cruise Crate Powertrain Systems, E-ROD crate engines, vehicle-specific parts and more: chevroletperformance.com
Connect with Chevrolet Performance
Facebook: facebook.com/ChevroletPerformance
Instagram: instagram.com/chevroletperformance
Subscribe to FUEL Newsletter: chevroletperformance.com We’ll bring you the latest on new Chevrolet vehicles, racing, performance technology, performance parts and more. Sign up to have FUEL delivered to your inbox every month.
Jeff Montgomery has owned his silver 1963 Corvette Sting Ray for 50 years. Today it is powered by a Chevrolet Performance LS3 crate engine and competes on a variety of autocross courses nationwide.
Head over to Chevrolet Performance for all the latest crate engines, Connect & Cruise Crate Powertrain Systems, E-ROD crate engines, vehicle-specific parts and more: chevroletperformance.com
Connect with Chevrolet Performance
Facebook: facebook.com/ChevroletPerformance
Instagram: instagram.com/chevroletperformance
Subscribe to FUEL Newsletter: chevroletperformance.com We’ll bring you the latest on new Chevrolet vehicles, racing, performance technology, performance parts and more. Sign up to have FUEL delivered to your inbox every month.








![Chevrolet Performance - 2019 All New Silverado 5.3L Cat-Back Single-Exit Exhaust Upgrade System
Increased performance, reduced back pressure, and that high-performance sound all come standard with the Chevrolet Performance 5.3L Cat-Back Single-Exit Exhaust Upgrade system. With 3-inch outer-diameter 304 stainless-steel pipes, this system offers up to a 7-hp improvement at 5,600 rpm and up to 4 additional pound-feet of torque at 4,100 rpm compared to the production exhaust system. [Up to a 35 percent reduction in back pressure at 300 g/s at 600 degrees C makes it all possible,] and the slick 4.5-inch outer-diameter dual wall with angle-cut, high-polished exhaust tip makes a statement on and off road. The system is a bolt-on cat-back and includes everything required for a complete installation. Emissions-legal in all 50 states, this system will not void the New-Vehicle Limited Warranty. The estimated power is based on SAE test procedure J1349.
All-New Silverado:
PART NO. 84173601 / 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Tip - SWB
PART NO. 84173594 / 5.3L Cat-Back Single-Exit Exhaust Upgrade System with Tip - LWB Chevrolet Performance - 2019 All New Silverado 5.3L Cat-Back Single-Exit Exhaust Upgrade System](https://i.ytimg.com/vi/AaamhdMAUyo/mqdefault.jpg)

